PartsTable
Technical Data Sheet
SC53 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SHAFT,AXLE,AUTOMOTIVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, thread_size: 3/8-16, hole_diameter: 0.391 INCHES NOMINAL IN, first_end_type: FLANGED, overall_length: 22.500 INCHES NOMINAL IN, second_end_type: SPLINED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-272-3356, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SC53
NSN: 4820-00-272-3356
FSC: 4820
CAGE: 20969 — ESSEX BRASS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4140
thread_size3/8-16
hole_diameter0.391 INCHES NOMINAL IN
first_end_typeFLANGED
overall_length22.500 INCHES NOMINAL IN
second_end_typeSPLINED
thread_directionRIGHT-HAND
first_end_bearing_seatNOT INCLUDED
second_end_spline_typeSTRAIGHT
flange_outside_diameter4.094 INCHES NOMINAL IN
second_end_bearing_seatINCLUDED
flange_overall_thickness0.500 INCHES NOMINAL IN
NSN4820-00-272-3356
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: SC53 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE AND 1 DESIGN AND 2 DESIGN
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) SECOND END
THREAD DIRECTION: RIGHT-HAND ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
VALVE OPERATION METHOD: MANUAL
FEATURES PROVIDED: NONADJUSTABLE ROTATION
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 1 DESIGN AND 2 DESIGN
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
VALVE OPERATION METHODMANUAL
FEATURES PROVIDEDNONADJUSTABLE ROTATION
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
SC53Interchangeable
interchangeable cross-reference
interchangeable
17144-3Interchangeable
interchangeable cross-reference
interchangeable
A901Interchangeable
interchangeable cross-reference
interchangeable
GL-9Interchangeable
interchangeable cross-reference
interchangeable
BGL-0009Interchangeable
interchangeable cross-reference
interchangeable
AA-648PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC53?
SC53 is a SHAFT,AXLE,AUTOMOTIVE.
What parts can replace SC53?
There are 8 known substitutes for SC53: SC53, 17144-3, A901 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC53?
SC53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-272-3356. This indicates validated use in U.S. government and defense supply chains.
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